package com.gamiao.jcr.demo.firsthop;

import javax.jcr.*;
import org.apache.jackrabbit.core.TransientRepository;
import java.io.FileInputStream;

/**
 * Third Jackrabbit example application. Imports an example XML file and outputs
 * the contents of the entire workspace.
 */
public class ThirdHop {

	/** Runs the ThirdHop example. */
	public static void main(String[] args) throws Exception {
		// Set up a Jackrabbit repository with the specified
		// configuration file and repository directory
		Repository repository = new TransientRepository();

		// Login to the default workspace as a dummy user
		Session session = repository.login(new SimpleCredentials("username",
				"password".toCharArray()));
		try {
			// Use the root node as a starting point
			Node root = session.getRootNode();

			// Import the XML file unless already imported
			if (!root.hasNode("importxml")) {
				System.out.print("Importing xml... ");
				// Create an unstructured node under which to import the XML
				Node node = root.addNode("importxml", "nt:unstructured");
				// Import the file "test.xml" under the created node
				FileInputStream xml = new FileInputStream("test.xml");
				session.importXML("/importxml", xml,
						ImportUUIDBehavior.IMPORT_UUID_CREATE_NEW);
				xml.close();
				// Save the changes to the repository
				session.save();
				System.out.println("done.");
			}

			dump(root);
		} finally {
			session.logout();
		}
	}

	/** Recursively outputs the contents of the given node. */
	private static void dump(Node node) throws RepositoryException {
		// First output the node path
		System.out.println(node.getPath());
		// Skip the virtual (and large!) jcr:system subtree
		if (node.getName().equals("jcr:system")) {
			return;
		}

		// Then output the properties
		PropertyIterator properties = node.getProperties();
		while (properties.hasNext()) {
			Property property = properties.nextProperty();
			if (property.getDefinition().isMultiple()) {
				// A multi-valued property, print all values
				Value[] values = property.getValues();
				for (int i = 0; i < values.length; i++) {
					System.out.println(property.getPath() + " = "
							+ values[i].getString());
				}
			} else {
				// A single-valued property
				System.out.println(property.getPath() + " = "
						+ property.getString());
			}
		}

		// Finally output all the child nodes recursively
		NodeIterator nodes = node.getNodes();
		while (nodes.hasNext()) {
			dump(nodes.nextNode());
		}
	}

}